AI summary Trust: medium Third-party lab

LabG tested this retatrutide from Zhuoyan Lab at 99.7% purity via HPLC, with mass quantification confirming 19.7mg against a 20mg label (-1.5% deviation). The test is recent (3-6 months old). However, endotoxin status is unknown, which is a concern for injectable peptides. Customers can cross-check on the lab's public verification URL.

Watch out for
  • no endotoxin test
  • no batch ID
Test date
2026-01-15
Purity
99.70% 99.70%
Batch / lot
(no batch ID)
Lab
LabG
Quantity
label 20mg tested 19.7mg
Qty vs label
-1.5%
Endotoxins
—
Test score
7.5
Manufacturer
Zhuoyan Lab
View vendor dossier
Certificate

Test report image

Certificate scan
Certificate scan as published.
Source

Finnrick

✓ Artifact captured

We have the certificate image (SHA-256 hash captured) — you can verify it loads from the upstream lab and matches the artifact below.

Verify on upstream
Method
HPLC + mass quantification + endotoxins
Test type
finnrick_composite
Dose
20mg
Container
Yellow Clear Label / Copper Crimp / Clear Cap
Catalogued
2026-04-16
Artifact hash
09949bf67d79eab3…
This COA is part of TitrateLab's community-trust corpus. See more from Zhuoyan Lab or learn how trust scores are computed on the methodology page.